First attempt at the Kratky method of hydroponics - Hydroponics Forum - GardenWeb
During the summer, algae growth can be a huge problem in garden ponds. The great news is that there is an easy way to keep pond water clear without using expensive chemicals. Here's how. | GetBusyGardening.com
There are other fish species which are quite suitable for aquaponics, that might be available in your local area. In Europe many different species of carp are grown, within the United States such species as Bluegill are often available, while in Australia we also have a number of other native species like Sleepy cod which would be suitable.
~Sensuelle's Picture Book~
Farrago Acres: Our Second Barrelponic System - 4/2010